The ecological state of Lake Peipsi (Estonia/Russia) : improvement, stabilization or deterioration?Blank, Kätlin; Loigu, Enn; Laugaste, Reet; Haberman, JutaProceedings of the Estonian Academy of Sciences2017 / p. 18-28 : ill https://doi.org/10.3176/proc.2017.1.02 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2816053*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS